COMPLETELY SQUIRREL PROOF DESIGN FEEDERS for birds! Brand New Lid Locking Mechanism! Makes pesky seed stealing squirrels a problem of the past! Comes with 1 red feeder, 1 blue feeder, 1 green feeder and 1 yellow feeder. THE BRIGHT COLORS ATTRACT ALL SMALL TO MEDIUM SIZED BIRDS! Perfect for finches, wrens, grosbeaks, chickadees, cardinals, bluebirds and many other wild bird varieties! THE MESH FRAME gives the birds a place to cling to while eating. The unique way the birds eat from this feeder makes bird watching fun for kids and the whole family! Best results obtained using black oil sunflower seeds. EACH ANTI SQUIRREL BIRD FEEDERS holds over 1 pound of black oil sunflower seeds in each feeder. Large Capacity takes away the need for constant refills. Best results obtained using black oil sunflower seeds.